The 1/50 ARII #A554 Steam Locomotive D-51 Slag Type Display Model is a highly detailed and realistic model of a steam locomotive in 1:50 scale. This unassembled kit features a two-rail system and analog control system, making it easy to set up and operate. Made of plastic, this model captures the charm and nostalgia of steam locomotives from the 2000s, ideal for model railroad enthusiasts and collectors alike.